High Performance Web Sites Steve Souders http://stevesouders.com/examples/rules.php Developer Yahoo http://developer.yahoo.com/performance/ http://developer.yahoo.com/performance/rules.html YUI Blog http://yuiblog.com/blog/category/performance http://yuiblog.com/blog/2008/07/22/non-blocking-scripts/ http://yuiblog.com/blog/2008/07/21/performance-research-part-6/ Firefox AddOn http://developer.yahoo.com/yslow/ Read and post comments | Send to a friend css javascript optimisation performance webdev